package com.wanxi.test;

public class MyInteger {
    public static void main(String[] args) {
//        System.out.println(Integer.valueOf('a'));
//        System.out.println(Integer.valueOf("a"));
        int a=1;
        Integer b=a;
        int c=b;
//        jdk5.0版本之后不报错
    }
}
